Samsung Galaxy A57 5G vs Samsung Galaxy S21 5G

Compare Samsung Galaxy A57 5G vs Samsung Galaxy S21 5G side by side: Samsung Exynos 1680 (3nm) vs Exynos 2100 / Snapdragon 888 5G (5 nm), 50MP vs 12MP camera…

Samsung

Galaxy S21 5G

$799

4categories won

4 categories tied · 22 scored in total · add a third phone

Information Gain

Which one wins?

MxMob Algorithmic Verdict

Samsung Galaxy A57 5G takes the overall win

Overall Pick

The Samsung Galaxy A57 5G claims the overall win over the Samsung Galaxy S21 5G, delivering a stronger technical package across battery endurance and core hardware. In camera testing, the Galaxy S21 5G leads with superior optics, while battery endurance leans towards the Galaxy A57 5G. Choose the Galaxy A57 5G if you want the highest performance ceiling, or opt for the Galaxy S21 5G if its specific hardware strengths better fit your budget.

🔋 BatteryGalaxy A57 5G

Galaxy A57 5G wins on endurance with 5,500 mAh and 45W fast charging.

🎮 GamingGalaxy A57 5G

Galaxy A57 5G leads gaming and raw performance powered by the Samsung Exynos 1680 (3nm) and 12GB RAM.

📸 CameraGalaxy S21 5G

Galaxy S21 5G takes photography with 12MP optics and 3x optical telephoto capabilities.

🏷️ ValueGalaxy A57 5G

Galaxy A57 5G provides a sharper value proposition, coming in at $479 vs $799.

Category verdicts are computed algorithmically from verified technical specifications and hardware benchmarks. Rows where neither figure is objectively better — screen size preference, operating system choice, aesthetic build materials — are displayed for direct reference without scoring bias.

Galaxy A57 5G vs Galaxy S21 5G: specifications compared

Display

Display comparison between the Samsung Galaxy A57 5G, Samsung Galaxy S21 5G
Specification	Galaxy A57 5G	Galaxy S21 5G
Screen size	6.67"	6.2"
Resolution	1080 x 2400	1080 x 2400
Pixel density	395 ppi	424 ppiWinner
Refresh rate	120 Hz	120 Hz
Peak brightness	2000 nitsWinner	1300 nits

Performance

Performance comparison between the Samsung Galaxy A57 5G, Samsung Galaxy S21 5G
Specification	Galaxy A57 5G	Galaxy S21 5G
Chipset	Samsung Exynos 1680 (3nm)	Exynos 2100 / Snapdragon 888 5G (5 nm)
Process node	3 nmWinner	5 nm
AnTuTu score	3,200,000Winner	820,000
Geekbench multi	10800Winner	3720
Maximum RAM	12 GBWinner	8 GB
Maximum storage	256GBWinner	128GB

Camera

Camera comparison between the Samsung Galaxy A57 5G, Samsung Galaxy S21 5G
Specification	Galaxy A57 5G	Galaxy S21 5G
Main sensor	50 MPWinner	12 MP
Rear cameras	3	3
Optical zoom	1x	3xWinner
Ultrawide	12 MP	12 MP
Selfie camera	12 MPWinner	10 MP
Max video	8K at 30fps / 4K at 120fps	8K at 24fps / 4K at 60fps

Battery and charging

Battery and charging comparison between the Samsung Galaxy A57 5G, Samsung Galaxy S21 5G
Specification	Galaxy A57 5G	Galaxy S21 5G
Capacity	5,500 mAhWinner	4,000 mAh
Wired charging	45 WWinner	25 W
Wireless charging	No	15 WWinner

Design

Design comparison between the Samsung Galaxy A57 5G, Samsung Galaxy S21 5G
Specification	Galaxy A57 5G	Galaxy S21 5G
Weight	189 g	169 gWinner
Thickness	7.5 mmWinner	7.9 mm
Water resistance	IP68	IP68
Build	Grade 5 Titanium frame, Ceramic Glass front and back	Aluminum frame, glastic back, Gorilla Glass Victus front

Software and support

Software and support comparison between the Samsung Galaxy A57 5G, Samsung Galaxy S21 5G
Specification	Galaxy A57 5G	Galaxy S21 5G
Operating system	Android 15	Android 11
OS updates	7 yearsWinner	4 years
Security updates	7 yearsWinner	5 years

Connectivity and value

Connectivity and value comparison between the Samsung Galaxy A57 5G, Samsung Galaxy S21 5G
Specification	Galaxy A57 5G	Galaxy S21 5G
5G	Yes	Yes
Wi-Fi	Wi-Fi 7 (802.11be, tri-band 2.4/5/6GHz, 320MHz bandwidth)	Wi-Fi 6 (802.11ax)
Storage expansion	microSD	None
3.5mm jack	No	No
Launch price	$479Winner	$799